F4S vs TELEDYNE ISCO FlowCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
F4S
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Faculty For Safety (F4S) is a mobile application enabling faculty to communicate, report and record suspicious activity to reduce harm to individuals. F4S reports specific information to various entities to report or initiate action. If you see this app and can't access, notify your administration to call CAPSOL for more information.
TELEDYNE ISCO FlowCalc
This utility app provides quick and accurate open channel flow rate calculations for field or office use. Select your measurement method, enter dimensions and head/velocity, and receive instant results. It supports multiple flow methods, area-velocity calculations, and unit switching.
- Instant flow rate calculations
- Multiple weir and flume types
- Area-velocity mode for pipes
- Save favorite site setups
- Imperial and metric unit support
- Based on ISCO Handbook formulas
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Quick, accurate flow rate calculations, right in your pocket. FlowCalc makes open channel flow measurement fast and easy. Whether you’re in the field or the office, you can select your weir, flume, or channel shape, enter size and head/velocity, and get instant, reliable results. Key Features • Set up & calculate in minutes – Choose your measurement method, enter your dimensions, and see flow rates instantly. • Multiple flow methods – Includes popular weirs (V‑Notch, Rectangular, Cipolletti) and flumes (Parshall, Leopold‑Lagco, HS, H, HL, Trapezoidal, and more). • Area‑velocity mode – Calculate flow for partially full pipes and non‑full channels in various shapes. • Save favorites – Store common site setups for fast recall. • Trusted formulas – Based on the ISCO Open Channel Flow Measurement Handbook. • Easy unit switching – Imperial and metric support. Free to download and backed by Teledyne ISCO’s decades of expertise in flow measurement.
Screenshots
Verdict
The clearest difference is ads: F4S at none against TELEDYNE ISCO FlowCalc's shown. TELEDYNE ISCO FlowCalc's advantage is update cadence (weekly vs every 2 months) and iOS requirement (13.4 vs 15.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
F4S ships an update every 2 months, TELEDYNE ISCO FlowCalc weekly. The most recent releases landed on October 29, 2026 and October 2, 2026 respectively.
| Parameter | F4S | TELEDYNE ISCO FlowCalc |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 25 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | CAPSOL, LLC | FutureSight Studios Ltd |
In-app purchases
F4S
No in-app purchases
TELEDYNE ISCO FlowCalc
No in-app purchases









